Open house, 7 p.m., Trinity School at River Ridge, 601 River Ridge Parkway, Eagan. The school offers classes for grades 7-12. Information: Julie Schnell, (651) 789-2890, ext. 220, or www.TSRR.org.

Friday, Oct. 26
Halloween open house by the MOMS Club of Eagan, 10 to 11 a.m., Peace Church (gym), 2180 Glory Drive, Eagan. Halloween party for moms and kids. Kids’ games, treats, and a costume contest. Connect with other stay-at-home moms. Check out more about the club at http://www.eaganwestmomsclub.org.

Trunk or Treat, 4 to 7 p.m., Good Shepherd Lutheran Church, 151 E. County Road 42, Burnsville. Family fun “trunk or treating” at decorated vehicles in the parking lot; games, refreshments, prizes, and more. Free, open to the public, and costumes encouraged.